Experts Brain Health Diary of a CEO

Diary of a CEO · 38 episodes · 650 sourced insights

What Diary of a CEO says about brain health

Everything Diary of a CEO and guests said about brain health across 38 episodes — each point linked to the exact second on YouTube. Sourced expert opinion, not medical advice.

In their own words

A new paper links non-nutritive (diet) sweetener consumption to dementia via reactive oxygen species.
00:15:36Dr. Robert Lustig · The Diary of a CEO · Oct 2025
Lustig debuts his theory that Alzheimer's stems from a mitochondrial ATP energy crisis, not just genetics - 95% of risk is environmental.
00:16:41Dr. Robert Lustig · The Diary of a CEO · Oct 2025
Reveals he secretly re-engineered 18 products for a Kuwaiti food company (Gratus/KDD) to be metabolically healthy without hurting sales or profits.
00:35:38Dr. Robert Lustig · The Diary of a CEO · Oct 2025
Discloses a private half-hour December 2024 phone call with RFK Jr. that was supposed to be about food but was entirely about vaccines.
00:46:33Dr. Robert Lustig · The Diary of a CEO · Oct 2025
Says he was asked to serve in the administration four times and declined each time because his views clash with RFK Jr.'s.
00:39:51Dr. Robert Lustig · The Diary of a CEO · Oct 2025
Claims only one-third of people respond to GLP-1 drugs and that the weight lost is half muscle, half fat - essentially induced starvation.
01:14:13Dr. Robert Lustig · The Diary of a CEO · Oct 2025
Testified before Congress to get soda removed from SNAP/food stamps.
01:25:36Dr. Robert Lustig · The Diary of a CEO · Oct 2025
Names ketchup, white rice and orange juice as foods he wrongly believed were healthy until using a glucose monitor.
01:41:42Dr. Robert Lustig · The Diary of a CEO · Oct 2025
There are 262 different names for sugar, and the food industry uses all of them.
00:00:31Dr. Robert Lustig · The Diary of a CEO · Oct 2025
About 73% of items in the American grocery store are effectively poison.
00:00:31Dr. Robert Lustig · The Diary of a CEO · Oct 2025
Caffeine works by blocking the adenosine receptor, preventing the sleep signal.
00:17:45Dr. Robert Lustig · The Diary of a CEO · Oct 2025
Only about 5% of Alzheimer's is genetic; 95% of the risk is environmental.
00:26:43Dr. Robert Lustig · The Diary of a CEO · Oct 2025
Pipedrive claims teams using it close on average three times more deals.
00:55:27Dr. Robert Lustig · The Diary of a CEO · Oct 2025
Serotonin is made from tryptophan, the rarest amino acid, found in eggs, chicken and fish - not ultra-processed food.
01:06:26Dr. Robert Lustig · The Diary of a CEO · Oct 2025
About 90% of the body's serotonin is made in the gut and travels to the brain via the vagus nerve.
01:07:58Dr. Robert Lustig · The Diary of a CEO · Oct 2025
A can of Coca-Cola contains about 39 grams of sugar - roughly 40% sugar.
01:21:57Dr. Robert Lustig · The Diary of a CEO · Oct 2025
Heinz ketchup is about half high-fructose corn syrup.
01:41:12Dr. Robert Lustig · The Diary of a CEO · Oct 2025
Psychedelics act as serotonin mimics that can 'fill in the ruts' and rewire belief systems on MRI.
01:42:12Dr. Robert Lustig · The Diary of a CEO · Oct 2025
Claims the original papers blaming amyloid plaques for Alzheimer's were based on fabricated, fraudulent data, undermining billions in research.
00:53:34Dr. Benjamin Bikman · The Diary of a CEO · Feb 2025
Cites a Swedish study finding the longest-lived people had good glucose control AND high cholesterol, challenging the war on cholesterol.
01:18:38Dr. Benjamin Bikman · The Diary of a CEO · Feb 2025
States a type 1 diabetic who skips insulin literally cannot get fat even eating 10,000 calories, calling it proof insulin, not calories alone, drives fat.
00:28:07Dr. Benjamin Bikman · The Diary of a CEO · Feb 2025
Says step-five trial data show 40% of weight lost on GLP-1 drugs comes from lean mass including muscle and bone.
02:26:57Dr. Benjamin Bikman · The Diary of a CEO · Feb 2025
Claims cutting salt makes people more insulin resistant and that salt restriction can worsen blood pressure.
02:14:18Dr. Benjamin Bikman · The Diary of a CEO · Feb 2025
Cites a book titled to the effect that 'vegetarians have smaller brains,' arguing the brain depends on animal-sourced nutrients.
00:39:02Dr. Benjamin Bikman · The Diary of a CEO · Feb 2025
Argues liposuction is metabolically dangerous because removing fat cells forces remaining cells to enlarge and worsen health.
02:35:53Dr. Benjamin Bikman · The Diary of a CEO · Feb 2025
Around 88% of US adults have some degree of insulin resistance.
00:00:30Dr. Benjamin Bikman · The Diary of a CEO · Feb 2025
Women are universally fatter than men but metabolically healthier because they have more, smaller fat cells.
00:23:55Dr. Benjamin Bikman · The Diary of a CEO · Feb 2025
The 'expensive tissue hypothesis' holds that eating meat shrank our intestines and grew our brains, which thrive on ketones.
00:36:56Dr. Benjamin Bikman · The Diary of a CEO · Feb 2025
A six-month-old baby reaches deeper ketosis in two hours than an adult does after two days of fasting.
00:37:29Dr. Benjamin Bikman · The Diary of a CEO · Feb 2025
Breast tumor tissue can have seven times more insulin receptors than the healthy tissue beside it.
00:49:25Dr. Benjamin Bikman · The Diary of a CEO · Feb 2025
Bikman's lab found belly fat's metabolic rate was three times higher when subjects were in ketosis.
01:35:47Dr. Benjamin Bikman · The Diary of a CEO · Feb 2025
In the UK, 69% of people quit GLP-1 drugs within two years, often regaining fat but not lost muscle or bone.
02:32:48Dr. Benjamin Bikman · The Diary of a CEO · Feb 2025
The longest verified fast was a UK man who went 384 days without eating, under medical supervision, and lived healthily.
02:52:58Dr. Benjamin Bikman · The Diary of a CEO · Feb 2025
Many people with insulin resistance have normal blood glucose; it is high insulin levels that reveal the problem.
01:01:22Dr. Benjamin Bikman · The Diary of a CEO · Feb 2025
A study found GLP-1 drug users' risk of suicidal thoughts doubled and major depression risk tripled.
02:31:13Dr. Benjamin Bikman · The Diary of a CEO · Feb 2025
Eagleman reveals his theory: we dream to defend the visual cortex from being taken over by the other senses during darkness.
00:00:00Dr. David Eagleman · The Diary of a CEO · Apr 2026
Claims your brain peaked at age two, when neural connections are densest, and has been pruning ever since.
00:16:46Dr. David Eagleman · The Diary of a CEO · Apr 2026
Cites the religious orders 'nun study' where some nuns had Alzheimer's-ravaged brains but no cognitive symptoms due to cognitive reserve.
00:14:08Dr. David Eagleman · The Diary of a CEO · Apr 2026
Declares himself a 'cyber optimist' who thinks the internet will make the next generation smarter, not dumber.
00:27:27Dr. David Eagleman · The Diary of a CEO · Apr 2026
Reveals he has aphantasia (no visual imagery), and that many of Pixar's best animators are aphantasic too.
01:09:25Dr. David Eagleman · The Diary of a CEO · Apr 2026
States that if Earth didn't rotate into darkness, humans presumably wouldn't dream at all.
01:17:43Dr. David Eagleman · The Diary of a CEO · Apr 2026
Predicts a 2026 market opportunity for a new social network built to connect people rather than maximize engagement.
01:29:06Dr. David Eagleman · The Diary of a CEO · Apr 2026
The brain has about 86 billion neurons; Eagleman describes the self as a 'team of rivals' of competing neural networks.
00:04:08Dr. David Eagleman · The Diary of a CEO · Apr 2026
Romanian orphans deprived of touch and talk grew up with lasting cognitive deficits, showing plasticity's downside.
00:08:51Dr. David Eagleman · The Diary of a CEO · Apr 2026
The anterior mid-cingulate cortex is bigger in people who repeatedly do hard things they don't want to do.
00:19:48Dr. David Eagleman · The Diary of a CEO · Apr 2026
You can tell a pianist from a violinist by the brain alone, because violinists develop fine-motor cortex on only one side.
00:20:18Dr. David Eagleman · The Diary of a CEO · Apr 2026
The 'effort phenomenon': people pay more for art or natural diamonds that seem to have taken more effort.
00:34:42Dr. David Eagleman · The Diary of a CEO · Apr 2026
Eagleman defines all creativity as bending, breaking, and blending existing concepts into new remixes.
00:46:12Dr. David Eagleman · The Diary of a CEO · Apr 2026
At least 3% of people have synesthesia, a blending of senses where letters or sounds trigger colors.
01:11:29Dr. David Eagleman · The Diary of a CEO · Apr 2026
Brain plasticity correlates almost perfectly with how much an animal species dreams (measured via REM).
01:18:13Dr. David Eagleman · The Diary of a CEO · Apr 2026
The blind mole rat still dreams despite having lost vision, because the dream circuitry is evolutionarily ancient.
01:19:16Dr. David Eagleman · The Diary of a CEO · Apr 2026
By one estimate, around a billion people are now in relationships with AI companions.
01:05:45Dr. David Eagleman · The Diary of a CEO · Apr 2026
Walker claims sleep beats diet and exercise; only oxygen deprivation impairs you faster than one night of lost sleep.
00:03:08Matthew Walker · The Diary of a CEO · Mar 2023
Insufficient sleep costs most nations about 2% of GDP, totaling $411 billion in the US, $50 billion in the UK, and $120 billion in Japan.
00:36:32Matthew Walker · The Diary of a CEO · Mar 2023
Caffeine has a 5-6 hour half-life, so a noon coffee leaves a quarter of the caffeine in your brain at midnight.
00:57:28Matthew Walker · The Diary of a CEO · Mar 2023
A standard dose of caffeine strips deep sleep by 15-30%, equivalent to aging your brain about 40 years.
01:02:41Matthew Walker · The Diary of a CEO · Mar 2023
Walker reveals he himself has had at least two severe bouts of insomnia and meditates 10 minutes before bed every night.
01:11:32Matthew Walker · The Diary of a CEO · Mar 2023
About half of Walker's sleep-center research is on Alzheimer's; he calls insufficient sleep one of the most significant lifestyle factors driving the disease.
01:33:19Matthew Walker · The Diary of a CEO · Mar 2023
When dieting while sleep-deprived, 60% of the weight you lose comes from lean muscle mass instead of fat.
01:54:32Matthew Walker · The Diary of a CEO · Mar 2023
Brain scans show sleep deprivation amps up reward centers for junk food while shutting down impulse-control regions in the prefrontal cortex.
01:51:24Matthew Walker · The Diary of a CEO · Mar 2023
Dolphins and many birds sleep with one half of the brain awake (unihemispheric sleep) to stay safe or keep surfacing for air.
00:13:09Matthew Walker · The Diary of a CEO · Mar 2023
At least 22 genes determine your chronotype, split roughly a third morning, a third evening, a third in between, so a tribe is only vulnerable 2-3 hours.
00:16:21Matthew Walker · The Diary of a CEO · Mar 2023
About a third of couples cite sleep difficulties as a contributing factor in breakups, and one in four sleep in separate locations.
00:19:27Matthew Walker · The Diary of a CEO · Mar 2023
One extra hour of sleep raises a woman's libido by 14%, over half the effect of the FDA libido drug Vyleesi.
00:21:30Matthew Walker · The Diary of a CEO · Mar 2023
NASA found 20-60 minute naps boosted productivity by 34% and alertness by over 50%, creating a 'NASA nap' culture.
00:43:22Matthew Walker · The Diary of a CEO · Mar 2023
Coffee's health benefits come from antioxidants like chlorogenic acid, not caffeine; decaf shows similar benefits, peaking at 2-3 cups.
01:06:18Matthew Walker · The Diary of a CEO · Mar 2023
Imagining a familiar walk in high-fidelity detail helps people fall asleep about 50% faster; counting sheep actually slows it down.
01:23:28Matthew Walker · The Diary of a CEO · Mar 2023
Reading on an iPad before bed delays melatonin release by 90 minutes to two hours and the disruption lingers for days afterward.
01:42:40Matthew Walker · The Diary of a CEO · Mar 2023
Sleep restriction cuts the satiety hormone leptin 18% and raises hunger hormone ghrelin 28%, driving 300-400 extra calories per sitting.
01:48:20Matthew Walker · The Diary of a CEO · Mar 2023
Both Margaret Thatcher and Ronald Reagan, famed short sleepers, went on to die of Alzheimer's disease.
01:37:27Matthew Walker · The Diary of a CEO · Mar 2023
Once habits are formed they are encoded in the brain forever and can never be fully removed, only replaced.
00:04:38Stephen Bartlett · The Diary of a CEO · Dec 2022
In the rat study the original habit had never really been forgotten; the brain can instantly toggle back to an old habit.
00:12:51Stephen Bartlett · The Diary of a CEO · Dec 2022
Rule one: stress is your puppet master, and keeping stress low is critical for forming new habits.
00:16:26Stephen Bartlett · The Diary of a CEO · Dec 2022
Rule two: know your cues, and major life changes like moving cities are ideal moments to break old habits.
00:28:53Stephen Bartlett · The Diary of a CEO · Dec 2022
Rule three: don't focus on stopping bad habits, focus on replacing them with a new action.
00:31:31Stephen Bartlett · The Diary of a CEO · Dec 2022
Rule four: you need a better, intrinsic reason to quit, not a shallow extrinsic one.
00:36:10Stephen Bartlett · The Diary of a CEO · Dec 2022
Rule five: willpower is a finite muscle that depletes, so fewer and smaller goals succeed more often.
00:40:49Stephen Bartlett · The Diary of a CEO · Dec 2022
Bonus rule six: the question-behavior effect, asking yes/no questions, drives lasting behavior change.
00:47:33Stephen Bartlett · The Diary of a CEO · Dec 2022
Of the 41% of Americans who make a New Year's resolution, only 9% successfully keep it by year's end.
00:01:32Stephen Bartlett · The Diary of a CEO · Dec 2022
Six months after setting a resolution, 46% of people are still successful, versus just 4% for non-resolution goals.
00:02:35Stephen Bartlett · The Diary of a CEO · Dec 2022
Habits are stored in the basal ganglia, a golf-ball-sized lump of tissue Bartlett calls the habit control center.
00:05:39Stephen Bartlett · The Diary of a CEO · Dec 2022
Researchers poisoned the reward chocolate to cause nausea, yet rats still ran the same route through the maze.
00:11:51Stephen Bartlett · The Diary of a CEO · Dec 2022
A clinical-nutrition study found high-glycemic milkshakes spiked then crashed blood sugar, triggering addiction-related brain activity.
00:18:30Stephen Bartlett · The Diary of a CEO · Dec 2022
The Stanford marshmallow experiment tracked children 40+ years, linking delayed gratification to better life outcomes.
00:21:37Stephen Bartlett · The Diary of a CEO · Dec 2022
Lack of sleep lowers leptin (fullness) and boosts ghrelin (hunger), promoting fat storage and poor food choices.
00:25:44Stephen Bartlett · The Diary of a CEO · Dec 2022
A 2010 study found behavior change took an average of 66 days, ranging from 20 to 250 days.
00:35:38Stephen Bartlett · The Diary of a CEO · Dec 2022
In the cookie-vs-radish study, radish eaters with depleted willpower quit an impossible puzzle 60% sooner than cookie eaters.
00:41:50Stephen Bartlett · The Diary of a CEO · Dec 2022
The question-behavior effect works best when administered via computer or paper survey requiring a yes/no answer.
00:49:06Stephen Bartlett · The Diary of a CEO · Dec 2022
Bartlett reveals he and his entire team tested positive for coronavirus, which is why the previous week's podcast was disrupted.
00:00:00Steven Bartlett · The Diary of a CEO · Oct 2020
He shares 'a secret': access to information itself is the real privilege in the world, the hidden 'curtain' wealthy people see behind.
09:46Steven Bartlett · The Diary of a CEO · Oct 2020
He recounts offering a young person a job with a guaranteed raise in 60 days, and calls their decision to decline for slightly more money now a stupid one.
14:55Steven Bartlett · The Diary of a CEO · Oct 2020
He announces his book Happy Sexy Millionaire, available on Amazon, and his resulting obsession with neuroscience.
23:40Steven Bartlett · The Diary of a CEO · Oct 2020
He reveals his business partner Dom became an alcoholic and considered jumping in front of a train due to the stress of running the business.
28:22Steven Bartlett · The Diary of a CEO · Oct 2020
He admits spending around 50,000-60,000 pounds on champagne in nightclubs in one year and buying a seven-bedroom mansion to impress people.
48:24Steven Bartlett · The Diary of a CEO · Oct 2020
His core thesis: the thing that invalidated you when you were younger becomes the thing you seek validation from as an adult.
49:28Steven Bartlett · The Diary of a CEO · Oct 2020
During his illness he ordered ibuprofen for 4am delivery and slept on his bedroom floor to ease bizarre muscular back pain.
00:30Steven Bartlett · The Diary of a CEO · Oct 2020
He developed tinnitus a couple of years ago, a faint ringing in his right ear that lasted weeks and made him appreciate his health.
07:09Steven Bartlett · The Diary of a CEO · Oct 2020
He cites a Joe Rogan podcast with Kevin Hart where Hart described meeting Jeff Bezos and realizing there's another level of access.
10:16Steven Bartlett · The Diary of a CEO · Oct 2020
Bartlett mutes about 90-95% of people on Instagram and 50% on Twitter rather than unfollowing, to control his information diet.
18:33Steven Bartlett · The Diary of a CEO · Oct 2020
He credits Tom Bilyeu, a past podcast guest, with introducing him to the idea that you can literally change the shape of your brain.
23:09Steven Bartlett · The Diary of a CEO · Oct 2020
He references brain research showing meditators have reduced activity in the brain's mind-wandering region versus non-meditators.
31:29Steven Bartlett · The Diary of a CEO · Oct 2020
For Bartlett, meditation usually takes the form of a massage, a moment to pause and detach.
32:00Steven Bartlett · The Diary of a CEO · Oct 2020
He grew up in a near-bankrupt family in a beat-up house with a smashed window for a decade and a partially demolished, derelict back section.
45:50Steven Bartlett · The Diary of a CEO · Oct 2020
As a black kid with curly hair in an all-white school, he felt different, and the family stopped doing Christmases and birthdays by age 10-11.
46:52Steven Bartlett · The Diary of a CEO · Oct 2020
Claims he is 'absolutely convinced' nitric oxide will eradicate and cure Alzheimer's because it addresses every root cause of the disease.
00:00:00Dr. Nathan Bryan · The Diary of a CEO · Apr 2025
Says he healed his diabetic, paraplegic father's four-year non-healing wound in six months using topical nitric oxide.
00:09:16Dr. Nathan Bryan · The Diary of a CEO · Apr 2025
States flatly that 'no one is interested in curing human disease because medicine is a business' and the largest economic model in the world.
00:24:05Dr. Nathan Bryan · The Diary of a CEO · Apr 2025
Reports a study where seven days of twice-daily mouthwash raised one 21-year-old's blood pressure by 26 mmHg, raising his cardiovascular risk ~26%.
00:45:11Dr. Nathan Bryan · The Diary of a CEO · Apr 2025
Claims 100% of solid-tumor cancer patients he sees have a dental infection, and he refers cancer patients to a dentist first.
00:49:35Dr. Nathan Bryan · The Diary of a CEO · Apr 2025
Asserts 100% of root-canal teeth are infected dead tissue that nobody would leave anywhere else in the body.
00:51:56Dr. Nathan Bryan · The Diary of a CEO · Apr 2025
Says fluoride has 'no benefit and it's all risk,' lowering kids' IQ by up to seven points and acting as a thyroid and neuro toxin.
00:56:14Dr. Nathan Bryan · The Diary of a CEO · Apr 2025
Is dismissive of biohacker Brian Johnson's approach and warns against following influencers without science credentials.
00:32:32Dr. Nathan Bryan · The Diary of a CEO · Apr 2025
Erectile dysfunction is the first symptom of nitric oxide deficiency, called 'the canary in the coal mine' for cardiovascular disease.
00:05:25Dr. Nathan Bryan · The Diary of a CEO · Apr 2025
Two of three Americans have unsafe blood pressure, and 50% on medication don't respond because drugs aren't targeted at nitric oxide.
00:07:04Dr. Nathan Bryan · The Diary of a CEO · Apr 2025
By age 40 we lose ~50% of nitric oxide production; people aged 70-80 can have 75% less than 20-year-olds.
00:16:57Dr. Nathan Bryan · The Diary of a CEO · Apr 2025
Nitric oxide supports all three hallmarks of longevity: stem cell mobilization, telomerase activation, and mitochondrial function.
00:31:55Dr. Nathan Bryan · The Diary of a CEO · Apr 2025
Humans lack the enzyme to convert dietary nitrate, so we are 100% dependent on oral bacteria to make nitric oxide from food.
00:46:16Dr. Nathan Bryan · The Diary of a CEO · Apr 2025
Without the right oral bacteria you get 'zero nitric oxide benefits' from a plant-based diet.
00:47:56Dr. Nathan Bryan · The Diary of a CEO · Apr 2025
Using mouthwash can erase the cardioprotective benefits of exercise.
01:00:39Dr. Nathan Bryan · The Diary of a CEO · Apr 2025
Nasal breathing and humming activate the nitric oxide enzyme in the sinuses, helping lower blood pressure.
01:14:56Dr. Nathan Bryan · The Diary of a CEO · Apr 2025
Many commercial beetroot powders are 'dead beats' containing zero nitrate and were used as placebos in his clinical trials.
01:08:24Dr. Nathan Bryan · The Diary of a CEO · Apr 2025
Antacid use roughly quadrupled over 20 years; PPIs block stomach acid needed to absorb B vitamins, magnesium, iron and iodine.
01:11:39Dr. Nathan Bryan · The Diary of a CEO · Apr 2025
Spector reveals his 93-year-old mother June has dementia and no longer recognizes him, motivating his brain research.
00:02:35Tim Spector · The Diary of a CEO · Jan 2026
Claims that for 40 years medicine went down the wrong path obsessing over serotonin and dopamine while missing inflammation and metabolism.
00:18:44Tim Spector · The Diary of a CEO · Jan 2026
States about 90% of people who develop Parkinson's had gut problems 10 years earlier, suggesting the disease starts in the gut.
00:21:50Tim Spector · The Diary of a CEO · Jan 2026
His new trial found a prebiotic (Daily 30) changed ~40 gut microbes versus only 4-5 for a probiotic, reversing his view on which is more powerful.
00:34:27Tim Spector · The Diary of a CEO · Jan 2026
The USDA recently reversed decades of guidance, now saying fat is good and past low-fat advice was wrong.
00:50:36Tim Spector · The Diary of a CEO · Jan 2026
In a 100,000-person time-restricted eating study, a third quit, a third loved it, and a third did it sometimes.
01:09:55Tim Spector · The Diary of a CEO · Jan 2026
Spector found he is in the highest 20% for blood microplastics, likely from decades cycling in London.
01:20:21Tim Spector · The Diary of a CEO · Jan 2026
GLP-1 drugs appear brain-protective and reduce dementia risk, but he worries they may dampen the risk-taking drives that make good entrepreneurs.
01:24:32Tim Spector · The Diary of a CEO · Jan 2026
Flossing properly can roughly halve your risk of dementia by reducing harmful oral bacteria.
00:00:00Tim Spector · The Diary of a CEO · Jan 2026
The vagus nerve is the body's longest nerve and 80% of its signals travel from gut to brain, only 20% brain to gut.
00:10:55Tim Spector · The Diary of a CEO · Jan 2026
Drinking two to five cups of coffee a day reduces heart disease risk by about 25%.
00:01:02Tim Spector · The Diary of a CEO · Jan 2026
There are 40-100 trillion gut microbes; one species, Lawsonibacter, only feeds on coffee.
00:25:59Tim Spector · The Diary of a CEO · Jan 2026
The gut's enteric nervous system is our 'second brain' and was actually the first brain formed in the embryo.
00:38:39Tim Spector · The Diary of a CEO · Jan 2026
About 70% of our immune cells live in the gut, mostly in the large intestine.
00:39:11Tim Spector · The Diary of a CEO · Jan 2026
A Stanford study showed five portions of fermented foods a day cut blood inflammation by about 25% in a month.
00:48:32Tim Spector · The Diary of a CEO · Jan 2026
Up to 30% of people think gluten is a problem for them, but only about 1% actually need to avoid it.
01:03:35Tim Spector · The Diary of a CEO · Jan 2026
Ultra-processed foods make you overeat by roughly 25% because they are hyper-palatable and barely need chewing.
01:00:28Tim Spector · The Diary of a CEO · Jan 2026
After about two days without food the brain switches from glucose to ketones, a reset still used to treat drug-resistant childhood epilepsy.
01:13:01Tim Spector · The Diary of a CEO · Jan 2026

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